Help with front end alignment

I have a 1974 Duster, replaced the k frame with a QA1 and QA1 upper and lower tubular control arms.
I’ve been through two alignments and two sets of tires in 5000 miles, the tires are wearing out on the inside treads, very fast the tires are Cooper Cobras 225-60-15
The car was rechecked too find that the 1st guy that aligned the car rounded out the camber washers so they replaced them, now the car pulls to the left, the camber Is good holding now but they say the Caster is out any advise that I can tell these people to get this car aligned properly would be greatly appreciated
You need to find an Old School Tech